40899080209 has 16 divisors (see below), whose sum is σ = 44179297344. Its totient is φ = 37638216000.

The previous prime is 40899080197. The next prime is 40899080221. The reversal of 40899080209 is 90208099804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40899080197) and next prime (40899080221).

It is a cyclic number.

It is not a de Polignac number, because 40899080209 - 2¹¹ = 40899078161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40899080279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6220894 + ... + 6227464.

It is an arithmetic number, because the mean of its divisors is an integer number (2761206084).

Almost surely, 2^40899080209 is an apocalyptic number.

It is an amenable number.

40899080209 is a deficient number, since it is larger than the sum of its proper divisors (3280217135).

40899080209 is a wasteful number, since it uses less digits than its factorization.

40899080209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 40899080209 in words is "forty billion, eight hundred ninety-nine million, eighty thousand, two hundred nine".